2010 3.6 03-06
2009 3.5 03-09
2008 3.4 03-09
2007 3.3 03-05
2006 3.2 03-02
2005 3.1 03-01
2004 2.28 03-06
2003 2.27 02-27
2002 2.26 02-26
2001 2.25 02-26
2000 2.24 02-24
1999 2.23 02-24
1998 2.22 02-23
1997 2.21 02-22
1996 2.20 02-21
1995 2.19 02-19
1994 2.18 02-18
1993 2.17 02-17
1992 2.16 02-19
1991 2.15 02-15
1990 2.14 02-14
1989 2.13 02-13
1988 2.12 02-12
1987 2.11 02-11
1986 2.10 02-10
1985 2.9 02-09
1984 2.8 02-08
1983 2.7 02-08
1982 2.6 02-06
1981 2.5 02-05
1980 2.4 02-04
1979 2.3 02-04
1978 2.2 02-02
1977 2.1 02-01
1976 1.31 01-31
1975 1.30 01-31
1974 1.29 01-30
1973 1.28 01-28
1972 1.27 01-28
1971 1.26 01-27